Hommage ร  Jean-Louis Verdier: au jardin des systรจmes intรฉgrables -- I. Algebro-Geometric Methods and ?-Functions -- Compactified Jacobians of Tangential Covers -- Heisenberg Action and Verlinde Formulas -- Hyperelliptic Curves that Generate Constant Mean Curvature Tori in ?3 -- Modular Forms as ?-Functions for Certain Integrable Reductions of the Yang-Mills Equations -- The ?-Functions of the gAKNS Equations -- On Segal-Wilsonโ{128}{153}s Definition of the ?-Function and Hierarchies AKNS-D and mcKP -- The Boundary of Isospectral Manifolds, Bรคcklund Transforms and Regularization -- II. Hamiltonian Methods -- The Geometry of the Full Kostant-Toda Lattice -- Deformations of a Hamiltonian Action of a Compact Lie Group -- Linear-Quadratic Metrics โ{128}{156}Approximateโ{128}{157} any Nondegenerate, Integrable Riemannian Metric on the 2-Sphere and the 2-Torus -- Canonical Forms for Bihamiltonian Systems -- Bihamiltonian Manifolds and Satoโ{128}{153}s Equations -- III. Solvable Lattice Models -- Generalized Chiral Potts Models and Minimal Cyclic Representations of $${U_q}(\widehat{gl}(n,C))$$) -- Infinite Discrete Symmetry Group for the Yang-Baxter Equations and their Higher Dimensional Generalizations -- IV. Topological Field Theory -- Integrable Systems and Classification of 2-Dimensional Topological Field Theories -- List of Participants